Finding the Fourth Proportional to 2,533.61, 3,795.32 and 1,215.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,533.61 : 3,795.32 = 1,215.54 : x
2. Step 2: Convert to fraction form
   2,533.61/3,795.32 = 1,215.54/x
3. Step 3: Cross multiply
   2,533.61x = 3,795.32 × 1,215.54
4. Step 4: Simplify right side
   2,533.61x = 4,613,366.31
5. Step 5: Solve for x
   x = 4,613,366.31/2,533.61
6. Step 6: Final answer
   x = 1,820.86